Find Cheap Flights from Seattle to Bangkok

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Seattle to Bangkok

(Round-trip)
Depart: Fri Nov 3 2017 Return: Thu Nov 16 2017 Trip spans 14 days
XiamenAir
XiamenAir
SEA
9:25a
BKK
9:10p
35h 45m
2 stops
BKK
11:10a
SEA
7:25p
32h 15m
2 stops
Depart: Mon Aug 28 2017 Return: Mon Sep 4 2017 Trip spans 8 days
Asiana Airlines
Asiana Airlines
SEA
10:40a
BKK
7:25a
20h 45m
1 stop
BKK
7:55p
SEA
11:10p
27h 15m
1 stop
Depart: Tue Oct 31 2017 Return: Sun Nov 12 2017 Trip spans 13 days
Major Airline
Major Airline
SEA
5:20a
BKK
12:30a
19h 10m
1 stop
BKK
10:00p
SEA
3:20p
17h 20m
1 stop
Depart: Mon Sep 18 2017 Return: Sun Oct 8 2017 Trip spans 21 days
EVA Air
EVA Air
SEA
7:30a
BKK
6:25a
22h 55m
1 stop
BKK
9:45p
SEA
4:40p
18h 55m
1 stop
Depart: Fri Sep 22 2017 Return: Thu Nov 9 2017 Trip spans 49 days
Hainan Airlines
Hainan Airlines
SEA
10:00a
BKK
6:40a
20h 40m
1 stop
BKK
8:25p
SEA
8:30p
24h 05m
1 stop
Depart: Tue Aug 15 2017 Return: Wed Sep 27 2017 Trip spans 44 days
China Airlines
China Airlines
SEA
3:35p
BKK
10:00p
30h 25m
2 stops
BKK
4:35a
SEA
8:48a
28h 13m
2 stops
Depart: Sat Sep 9 2017 Return: Tue Sep 19 2017 Trip spans 11 days
Air China
Air China
SEA
2:15p
BKK
5:40a
39h 25m
2 stops
BKK
9:00p
SEA
3:38a
30h 38m
2 stops
Depart: Wed Jun 21 2017 Return: Fri Jul 21 2017 Trip spans 31 days
Air Canada
Air Canada
SEA
5:25p
BKK
4:05a
34h 40m
2 stops
BKK
4:15a
SEA
6:55a
26h 40m
2 stops
Depart: Mon Oct 2 2017 Return: Tue Nov 7 2017 Trip spans 37 days
ANA
ANA
SEA
9:20a
BKK
3:35a
18h 15m
1 stop
BKK
7:30p
SEA
8:20p
24h 50m
1 stop
Depart: Fri Aug 11 2017 Return: Fri Aug 25 2017 Trip spans 15 days
United
United
SEA
7:45a
BKK
5:10a
45h 25m
2 stops
BKK
2:50a
SEA
12:14a
21h 24m
2 stops
Depart: Sat Jul 8 2017 Return: Thu Jul 27 2017 Trip spans 20 days
Thai Airways
Thai Airways
SEA
10:40a
BKK
7:10a
20h 30m
1 stop
BKK
3:10a
SEA
11:10p
20h 00m
2 stops
Depart: Sun Jun 4 2017 Return: Tue Jun 13 2017 Trip spans 10 days
$1023
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China Southern
China Southern
SEA
6:00a
BKK
4:00a
46h 00m
2 stops
BKK
10:15p
SEA
3:20a
29h 05m
2 stops
Depart: Fri Nov 17 2017 Return: Sun Nov 26 2017 Trip spans 10 days
XiamenAir
XiamenAir
SEA
7:25a
BKK
7:10p
35h 45m
2 stops
BKK
11:10a
SEA
7:25p
32h 15m
2 stops
Depart: Fri Nov 24 2017 Return: Sun Dec 10 2017 Trip spans 17 days
XiamenAir
XiamenAir
SEA
7:25a
BKK
7:10p
35h 45m
2 stops
BKK
11:10a
SEA
7:25p
32h 15m
2 stops
Depart: Mon Sep 4 2017 Return: Sun Sep 10 2017 Trip spans 7 days
Asiana Airlines
Asiana Airlines
SEA
10:40a
BKK
7:25a
20h 45m
1 stop
BKK
7:55p
SEA
11:10p
27h 15m
1 stop
Depart: Wed Nov 22 2017 Return: Fri Dec 1 2017 Trip spans 10 days
Major Airline
Major Airline
SEA
2:55a
BKK
9:55p
19h 00m
1 stop
BKK
11:50p
SEA
4:05p
16h 15m
1 stop
Depart: Thu Oct 5 2017 Return: Sun Oct 15 2017 Trip spans 11 days
EVA Air
EVA Air
SEA
7:30a
BKK
7:05p
35h 35m
1 stop
BKK
9:45p
SEA
4:40p
18h 55m
1 stop
Depart: Mon Nov 27 2017 Return: Sun Dec 10 2017 Trip spans 14 days
XiamenAir
XiamenAir
SEA
7:25a
BKK
7:25p
36h 00m
2 stops
BKK
11:10a
SEA
7:25p
32h 15m
2 stops
Depart: Tue Oct 3 2017 Return: Sun Nov 5 2017 Trip spans 34 days
Hainan Airlines
Hainan Airlines
SEA
10:00a
BKK
6:40a
20h 40m
1 stop
BKK
8:25p
SEA
8:30p
24h 05m
1 stop
Depart: Thu Aug 24 2017 Return: Mon Aug 28 2017 Trip spans 5 days
Asiana Airlines
Asiana Airlines
SEA
10:40a
BKK
7:25a
20h 45m
1 stop
BKK
7:55p
SEA
11:10p
27h 15m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Seattle
$548
Destination

Bangkok
$548